RHEL 5 / 6 : xulrunner (RHSA-2012:1361)

High Nessus Plugin ID 62541


The remote Red Hat host is missing one or more security updates.


Updated xulrunner packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6.

The Red Hat Security Response Team has rated this update as having critical security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

XULRunner provides the XUL Runtime environment for applications using the Gecko layout engine.

A flaw was found in the way XULRunner handled security wrappers. A web page containing malicious content could possibly cause an application linked against XULRunner (such as Mozilla Firefox) to execute arbitrary code with the privileges of the user running the application. (CVE-2012-4193)

For technical details regarding this flaw, refer to the Mozilla security advisories. You can find a link to the Mozilla advisories in the References section of this erratum.

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges moz_bug_r_a4 as the original reporter.

All XULRunner users should upgrade to these updated packages, which correct this issue. After installing the update, applications using XULRunner must be restarted for the changes to take effect.


Update the affected xulrunner, xulrunner-debuginfo and / or xulrunner-devel packages.

See Also




Plugin Details

Severity: High

ID: 62541

File Name: redhat-RHSA-2012-1361.nasl

Version: $Revision: 1.13 $

Type: local

Agent: unix

Published: 2012/10/15

Modified: 2017/01/05

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 9.3

Temporal Score: 8.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:xulrunner, p-cpe:/a:redhat:enterprise_linux:xulrunner-debuginfo, p-cpe:/a:redhat:enterprise_linux:xulrunner-devel, cpe:/o:redhat:enterprise_linux:5, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:6.3

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2012/10/12

Reference Information

CVE: CVE-2012-4193

BID: 55889

OSVDB: 86128

RHSA: 2012:1361